1
DESCRIPTION OF THE BOILER
1. 1
INTRODUCTION
One of the features of the cast iron
thermal group with the integrated gas-
oil burner is its functional silence and it
has been designed in accordance with
the european directives EEC 92/42.
The perfectly balanced combustion
and t he high yield allow s it t o
1.2
DIMENSIONS
P
Depth
M C.H. flow
R
C.H. return
C1 System load
E
D.H.W. inlet
U
D.H.W. outlet
S
Boiler drain
60
economise considerably the operating
costs.
The instructions relative to the follow-
ing models are indicated in the pre-
sent manual:
– "SOLO 25-35 BF TS/SOLO 35 BF
TS PR" for heating only
– "DUETTO 25-35 BF TS/DUETTO
SOLO 25-35 BF TS / SOLO 35 BF TS PR
750 (25 BF TS) - 850 (35 BF TS - 35 BF TS PR)
G 1" (UNI ISO 228/1)
G 1" (UNI ISO 228/1)
G 1/2" (UNI ISO 228/1)
–
–
G 1/2" (UNI ISO 228/1)
35 BF TS PR" for heating and hot
water production with instant tank.
"SOLO-DUETTO" versions are boilers
with airtight burners. The instructions
given in this manual are provided to
ensure proper installation and perfect
operation of the appliance and should
be strictly followed.
DUETTO 25-35 BF TS / DUETTO 35 BF TS PR
750 (25 BF TS) - 850 (35 BF TS - 35 BF TS PR)
G 1" (UNI ISO 228/1)
G 1" (UNI ISO 228/1)
–
G 1/2" (UNI ISO 228/1)
G 1/2" (UNI ISO 228/1)
G 1/2" (UNI ISO 228/1)
Fig. 1